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Javascript reduce() on Object

...u want the result as an Object ({ value: ... }), you'll have to initialize and return the object each time: Object.keys(o).reduce(function (previous, key) { previous.value += o[key].value; return previous; }, { value: 0 }); ...
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Finding the path of the program that will execute from the command line in Windows

... Use the where command. The first result in the list is the one that will execute. C:\> where notepad C:\Windows\System32\notepad.exe C:\Windows\notepad.exe According to this blog post, where.exe is included with Windows Server 2003 and...
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Programmatically fire button click event?

...ally fire a button click event? I have a button placed there in an UIView, and in a particular scenario i want to click the button via code, not manually as a user. Is it possible in iOS development? Please provide your suggestions and guide me how to do that. ...
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Get generated id after insert

I'm using the SQLite with Android, and I want to know the best way to get the generated id of the row I inserted. 5 Answers...
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Select multiple columns in data.table by their numeric indices

... No problem. Compare also dt[,"a"] and dt[,"a", with=FALSE] to see what a helpful option it really is. – Josh O'Brien Nov 14 '12 at 17:41 3 ...
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Return positions of a regex match() in Javascript?

... if (match) { console.log("match found at " + match.index); } And for multiple matches: var re = /bar/g, str = "foobarfoobar"; while ((match = re.exec(str)) != null) { console.log("match found at " + match.index); } ...
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How do you automatically set text box to Uppercase?

... It is also not a good idea to have the spaces between the attribute name and the value... <input type="text" class="normal" name="Name" size="20" maxlength="20" style="text-transform:uppercase" /> <img src="../images/tickmark.gif" border="0" /> Please note this tran...
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MySQL - Using COUNT(*) in the WHERE clause

...he clause that They Don't Bother To Teach Properly on sql courses or books and knowing about it generally the sign that the coder has progressed beyond novice level. – Cruachan Nov 19 '08 at 12:59 ...
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How to use executables from a package installed locally in node_modules?

...ong points out in their answer below, since npm 5.2.0 you can use npx [command], which is more convenient. OLD ANSWER for versions before 5.2.0: The problem with putting ./node_modules/.bin into your PATH is that it only works when your current working directory is the root of your project dire...
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How do I save a String to a text file using Java?

...u would to any output stream: out.println(text); You'll need exception handling, as ever. Be sure to call out.close() when you've finished writing. If you are using Java 7 or later, you can use the "try-with-resources statement" which will automatically close your PrintStream when you are done w...